121234033140 has 96 divisors (see below), whose sum is σ = 375387820416. Its totient is φ = 28987453440.

The previous prime is 121234033073. The next prime is 121234033147. The reversal of 121234033140 is 41330432121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121234033140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234033147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209957 + ... + 1306316.

It is an arithmetic number, because the mean of its divisors is an integer number (3910289796).

Almost surely, 2^121234033140 is an apocalyptic number.

121234033140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121234033140 is an abundant number, since it is smaller than the sum of its proper divisors (254153787276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121234033140 is a wasteful number, since it uses less digits than its factorization.

121234033140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516369 (or 2516367 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121234033140 its reverse (41330432121), we get a palindrome (162564465261).

The spelling of 121234033140 in words is "one hundred twenty-one billion, two hundred thirty-four million, thirty-three thousand, one hundred forty".